CVE-2015-0105 in Business Process Manager
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the Process Portal in IBM Business Process Manager (BPM) 8.0 through 8.0.1.3, 8.5.0 through 8.5.0.1, and 8.5.5 through 8.5.5.0 allows remote attackers to inject arbitrary web script or HTML via a crafted URL.
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Analysis
by VulDB Data Team • 06/24/2017
The vulnerability identified as CVE-2015-0105 represents a critical cross-site scripting flaw within IBM Business Process Manager's Process Portal component. This security weakness affects multiple versions of IBM BPM including 8.0 through 8.0.1.3, 8.5.0 through 8.5.0.1, and 8.5.5 through 8.5.5.0, creating a significant risk for organizations utilizing these platforms. The flaw resides in how the Process Portal handles URL parameters, specifically when processing user-supplied input without proper sanitization or validation mechanisms. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a fundamental web application security weakness that allows attackers to inject malicious scripts into web pages viewed by other users. The attack vector is particularly concerning as it enables remote exploitation through crafted URLs, meaning an attacker can leverage this vulnerability from any location without requiring physical access to the system.
The technical implementation of this vulnerability stems from insufficient input validation within the Process Portal's URL parameter processing functionality. When users navigate to specific URLs containing malicious payloads, the system fails to properly escape or sanitize the input before rendering it in the web interface. This allows attackers to inject arbitrary HTML or JavaScript code that executes in the context of other users' browsers. The vulnerability's impact is amplified by the fact that it operates at the presentation layer of the web application, making it particularly dangerous for business process management systems where users frequently interact with process portals containing sensitive workflow information. The flaw essentially creates a trust boundary violation where legitimate user sessions can be hijacked or manipulated through the injection of malicious scripts.
From an operational perspective, this vulnerability poses severe risks to organizations relying on IBM BPM for business process automation and workflow management. Attackers could exploit this weakness to steal session cookies, redirect users to malicious sites, deface web interfaces, or even execute more sophisticated attacks such as credential theft or privilege escalation. The impact extends beyond simple data theft as the Process Portal typically handles sensitive business information, process data, and user access controls, making successful exploitation potentially catastrophic. According to ATT&CK framework, this vulnerability maps to T1059.007 (Command and Scripting Interpreter: JavaScript) and T1566 (Phishing) techniques, as attackers could leverage the XSS to deliver additional payloads or create convincing phishing attacks that appear legitimate within the business process environment. Organizations with extensive BPM deployments face significant exposure, particularly those handling confidential business processes or regulated data.
The mitigation strategies for CVE-2015-0105 should focus on immediate patch application from IBM, which would address the core input validation issues in the Process Portal component. Organizations should also implement comprehensive input sanitization measures at the application level, including proper HTML escaping of all user-supplied data before rendering in web interfaces. Network-level protections such as web application firewalls can provide additional defense-in-depth measures, though these should not replace proper code-level fixes. Security teams should conduct thorough vulnerability assessments of their BPM environments to identify any potential exploitation attempts and implement monitoring for suspicious URL patterns. Additionally, user education regarding the dangers of clicking on untrusted links and the importance of maintaining updated browser security settings can help reduce the attack surface. The vulnerability serves as a reminder of the critical importance of proper input validation and output encoding in web applications, particularly within enterprise business process management systems where the consequences of security breaches can be extensive and far-reaching.